Keprej, one of the leading manufacturers in the field of power products, offers servo voltage corrector, svc [three phase]. Applications: chemical, plastic, textile and pharmaceutical industries, communication equipments, elevators, ac plants, offset printing press and protection of domestic power products, etc. Functions: four wire unbalance technique to output voltage and compare each phase separately with the neutral; and proportionally, individually move to autotrans-former wipers to buck or boost input voltage and maintain the output voltage. Specifications: capacity - 3 to 1000 kva; input - [1] 360v to 460v; [2] 300v to 500v [optional]; output - 380/415 v ±2%; type - unbalance/balance; and frequency - 50 hz.